Blue Light in the Treatment of Inflammatory Skin Diseases

The goal of this clinical trial is to assess the effectiveness of full-body blue light irradiations in the treatment of inflammatory skin diseases (atopic dermatitis, psoriasis, eczema) and chronic pruritus in adult and pediatric populations. The main questions it aims to answer are: * If blue light irradiations have an impact on the improvement in skin condition * If blue light irradiations affect the patients' quality of life * If blue light irradiations decrease pruritus Participants will: * Be administered phototherapeutic blue light (453 nm) for 15 minutes to each side of the body (30 minutes in total), 3-5 times per week. The study is scheduled for a maximum of 60 irradiations of blue light. * Complete the Dermatology Life Quality Index questionnaire and a 10-item pruritus severity scale * Be assessed using dermatologic scales * Have blood samples collected